[PATCH v2 02/11] clk: tegra20: Mark required clks as CRITICAL

From: Rhyland Klein
Date: Fri May 27 2016 - 16:38:51 EST


Mark clks that are required to be on as CRITICAL clks.

Signed-off-by: Rhyland Klein <rklein@xxxxxxxxxx>
---
drivers/clk/tegra/clk-tegra20.c | 12 +++++++-----
1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/drivers/clk/tegra/clk-tegra20.c b/drivers/clk/tegra/clk-tegra20.c
index 837e5cbd60e9..4a60a25d7e61 100644
--- a/drivers/clk/tegra/clk-tegra20.c
+++ b/drivers/clk/tegra/clk-tegra20.c
@@ -715,13 +715,15 @@ static void tegra20_super_clk_init(void)

/* CCLK */
clk = tegra_clk_register_super_mux("cclk", cclk_parents,
- ARRAY_SIZE(cclk_parents), CLK_SET_RATE_PARENT,
+ ARRAY_SIZE(cclk_parents),
+ CLK_SET_RATE_PARENT | CLK_IS_CRITICAL,
clk_base + CCLK_BURST_POLICY, 0, 4, 0, 0, NULL);
clks[TEGRA20_CLK_CCLK] = clk;

/* SCLK */
clk = tegra_clk_register_super_mux("sclk", sclk_parents,
- ARRAY_SIZE(sclk_parents), CLK_SET_RATE_PARENT,
+ ARRAY_SIZE(sclk_parents),
+ CLK_SET_RATE_PARENT | CLK_IS_CRITICAL,
clk_base + SCLK_BURST_POLICY, 0, 4, 0, 0, NULL);
clks[TEGRA20_CLK_SCLK] = clk;

@@ -814,11 +816,11 @@ static void __init tegra20_periph_clk_init(void)
/* emc */
clk = clk_register_mux(NULL, "emc_mux", mux_pllmcp_clkm,
ARRAY_SIZE(mux_pllmcp_clkm),
- CLK_SET_RATE_NO_REPARENT,
+ CLK_SET_RATE_NO_REPARENT | CLK_IS_CRITICAL,
clk_base + CLK_SOURCE_EMC,
30, 2, 0, &emc_lock);
- clk = tegra_clk_register_periph_gate("emc", "emc_mux", 0, clk_base, 0,
- 57, periph_clk_enb_refcnt);
+ clk = tegra_clk_register_periph_gate("emc", "emc_mux", 0, clk_base,
+ CLK_IS_CRITICAL, 57, periph_clk_enb_refcnt);
clks[TEGRA20_CLK_EMC] = clk;

clk = tegra_clk_register_mc("mc", "emc_mux", clk_base + CLK_SOURCE_EMC,
--
1.9.1